| Douarnenez to Carson (California) | 5,464.01 mi (8,793.47 km) |
| Douarnenez to Carson City (Nevada) | 5,228.07 mi (8,413.77 km) |
| Douarnenez to Carteret (New Jersey) | 3,372.70 mi (5,427.83 km) |
| Douarnenez to Cartersville (Georgia) | 4,102.36 mi (6,602.12 km) |
| Douarnenez to Carthage (Missouri) | 4,372.75 mi (7,037.25 km) |
| Douarnenez to Cary (Illinois) | 3,901.39 mi (6,278.68 km) |
| Douarnenez to Cary (North Carolina) | 3,768.75 mi (6,065.22 km) |
| Douarnenez to Casa de Oro-Mount Helix (California) | 5,475.49 mi (8,811.95 km) |
| Douarnenez to Casa Grande (Arizona) | 5,273.91 mi (8,487.54 km) |
| Douarnenez to Casas Adobes (Arizona) | 5,274.59 mi (8,488.63 km) |
| Douarnenez to Cascades (Virginia) | 3,571.05 mi (5,747.05 km) |
| Douarnenez to Casper (Wyoming) | 4,570.67 mi (7,355.79 km) |
| Douarnenez to Casselberry (Florida) | 4,196.20 mi (6,753.13 km) |
| Douarnenez to Castaic (California) | 5,442.46 mi (8,758.79 km) |
| Douarnenez to Castle Pines (Colorado) | 4,680.95 mi (7,533.27 km) |
